COMMANDS:
:NFLoadGlob
load globbed files.
this command just load files to buffers, does not edit them.
options do NOT influence globbed file's list.
:NFLoadGlob * " to load all files in current directory.
:NFLoadGlob .* " to load all dotfiles in current directory.

MAPPING:
default:
<Leader>n - open the next file
<Leader>p - open the previous file

GLOBAL VARIABLES:
g:nf_map_next (default: '<Leader>n')
open the next file.

g:nf_map_previous (default: '<Leader>p')
open the previous file.

g:nf_include_dotfiles (default: 0)
if true, open the next dotfile.
if false, skip the next dotfile.

g:nf_open_command (default: 'edit')
open the (next|previous) file with this command.